2014 Mazda 3 4-Door MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2014 Mazda 3 4-Door.

The 2014 Mazda 3 4-Door has 4 model options: Automatic (S6) 4-cyl, 2.0 L, Manual 6-spd 4-cyl, 2.0 L, Automatic (S6) 4-cyl, 2.5 L and Automatic (S6) 4-cyl, 2.5 L.

The 2014 Mazda 3 4-Door Automatic (S6) 4-cyl, 2.0 L runs on regular gasoline and is in the Compact Cars car class.

The 2014 Mazda 3 4-Door Manual 6-spd 4-cyl, 2.0 L runs on regular gasoline and is in the Compact Cars car class.

The 2014 Mazda 3 4-Door Automatic (S6) 4-cyl, 2.5 L runs on regular gasoline and is in the Compact Cars car class.

The 2014 Mazda 3 4-Door Automatic (S6) 4-cyl, 2.5 L runs on regular gasoline and is in the Compact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2014 Mazda 3 4-Door Get?

Across all models, the combined average MPG for the 2014 Mazda 3 4-Door is 32 miles per gallon.

The table below breaks down the MPG for each model option:

Model OptionCombined MPGCity MPGHighway MPG
Automatic (S6) 4-cyl, 2.0 L333039
Manual 6-spd 4-cyl, 2.0 L332939
Automatic (S6) 4-cyl, 2.5 L312838
Automatic (S6) 4-cyl, 2.5 L322838

💵 What is the Average Yearly Fuel Cost for a 2014 Mazda 3 4-Door?

The average fuel costs for all models of the 2014 Mazda 3 4-Door is $1,938.

The average fuel costs have been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

Comparing a 2014 Mazda 3 4-Door to an average vehicle over 5 years, you will save $1,813 on fuel.

The table below shows the fuel costs and 5-year save/spend for each model option:

Model OptionFuel Cost5-Year Save/Spend
Automatic (S6) 4-cyl, 2.0 L$1,900save $2,000
Manual 6-spd 4-cyl, 2.0 L$1,900save $2,000
Automatic (S6) 4-cyl, 2.5 L$2,000save $1,500
Automatic (S6) 4-cyl, 2.5 L$1,950save $1,750

🛢 How Many Barrels of Petroleum Does a 2014 Mazda 3 4-Door Consume?

Across all models, the average number barrels of petroleum that the 2014 Mazda 3 4-Door will consume in one year is 9 barrels.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

Model OptionBarrels
Automatic (S6) 4-cyl, 2.0 L9
Manual 6-spd 4-cyl, 2.0 L9
Automatic (S6) 4-cyl, 2.5 L10
Automatic (S6) 4-cyl, 2.5 L9

💨 How Many Grams of CO2 Does a 2014 Mazda 3 4-Door Emit?

The 2014 Mazda 3 4-Door will emit an average of about 4,121,250 grams of CO2 per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 140 trees would be needed to offset emissions from the 2014 Mazda 3 4-Door.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 4 2014 Mazda 3 4-Door model options.

Automatic (S6) 4-cyl, 2.0 L

The table below contains all of the details we have for the 2014 Mazda 3 4-Door Automatic (S6) 4-cyl, 2.0 L:

City MPG30
Highway MPG39
Combined MPG33
Save/Spend vs Average CarSave $2,000
Fuel Cost$1,900
Fuel Type 1Regular
Barrels of Petroleum9
Grams of CO24,005,000
Trees Needed to Offset191
DriveFront-Wheel Drive
Cylinders4
Displacement2
TransmissionAutomatic (S6)
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 6-spd 4-cyl, 2.0 L

The table below contains all of the details we have for the 2014 Mazda 3 4-Door Manual 6-spd 4-cyl, 2.0 L:

City MPG29
Highway MPG39
Combined MPG33
Save/Spend vs Average CarSave $2,000
Fuel Cost$1,900
Fuel Type 1Regular
Barrels of Petroleum9
Grams of CO24,050,000
Trees Needed to Offset193
DriveFront-Wheel Drive
Cylinders4
Displacement2
TransmissionManual 6-spd
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic (S6) 4-cyl, 2.5 L

The table below contains all of the details we have for the 2014 Mazda 3 4-Door Automatic (S6) 4-cyl, 2.5 L:

City MPG28
Highway MPG38
Combined MPG31
Save/Spend vs Average CarSave $1,500
Fuel Cost$2,000
Fuel Type 1Regular
Barrels of Petroleum10
Grams of CO24,230,000
Trees Needed to Offset201
DriveFront-Wheel Drive
Cylinders4
Displacement2.5
TransmissionAutomatic (S6)
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Automatic (S6) 4-cyl, 2.5 L

The table below contains all of the details we have for the 2014 Mazda 3 4-Door Automatic (S6) 4-cyl, 2.5 L:

City MPG28
Highway MPG38
Combined MPG32
Save/Spend vs Average CarSave $1,750
Fuel Cost$1,950
Fuel Type 1Regular
Barrels of Petroleum9
Grams of CO24,200,000
Trees Needed to Offset200
DriveFront-Wheel Drive
Cylinders4
Displacement2.5
TransmissionAutomatic (S6)
Vehicle ClassCompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "2014 Mazda 3 4-Door MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mazda/3-4-door/2014.

  • "2014 Mazda 3 4-Door MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mazda/3-4-door/2014. Accessed January 3, 2026.

  • 2014 Mazda 3 4-Door MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mazda/3-4-door/2014.